Steampunk Copper vs Ruby Red

How close are they?

ΔE 7.3, close: similar, with a visible difference side by side. Ruby Red is cooler than Steampunk Copper.

Can I use Ruby Red instead of Steampunk Copper?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Ruby Red is cooler than Steampunk Copper.

Can I use Steampunk Copper instead of Ruby Red?

The same difference applies the other way round: Steampunk Copper is warmer.

ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.